Telegram Media Quality Optimization

import os
import subprocess
from PIL import Image
from telegram import Bot
from telegram.ext import Application, MessageHandler, filters

async def optimize_and_send_media(update, context):
    """Optimize media before sending via Telegram"""
    
    if update.message.photo:
        # Get highest resolution photo
        photo = update.message.photo[-1]
        file = await context.bot.get_file(photo.file_id)
        
        # Download and optimize
        original_path = f"temp_{photo.file_id}.jpg"
        optimized_path = f"opt_{photo.file_id}.jpg"
        
        await file.download_to_drive(original_path)
        
        # Optimize image
        with Image.open(original_path) as img:
            # Resize if needed
            if max(img.size) > 1280:
                img.thumbnail((1280, 1280), Image.Resampling.LANCZOS)
            
            # Apply sharpening
            from PIL import ImageFilter
            img = img.filter(ImageFilter.UnsharpMask(radius=0.5, percent=75, threshold=2))
            
            # Save optimized
            img.save(optimized_path, 'JPEG', quality=87, optimize=True)
        
        # Send optimized version
        with open(optimized_path, 'rb') as f:
            await context.bot.send_photo(
                chat_id=update.effective_chat.id, 
                photo=f,
                caption="✅ Optimized for best quality"
            )
        
        # Cleanup
        os.remove(original_path)
        os.remove(optimized_path)
    
    elif update.message.video:
        # Similar optimization for video
        video = update.message.video
        file = await context.bot.get_file(video.file_id)
        
        original_path = f"temp_{video.file_id}.mp4"
        optimized_path = f"opt_{video.file_id}.mp4"
        
        await file.download_to_drive(original_path)
        
        # FFmpeg optimization
        cmd = [
            'ffmpeg', '-i', original_path,
            '-vf', 'scale=min(1280\,iw):min(720\,ih):force_original_aspect_ratio=decrease',
            '-c:v', 'libx264', '-crf', '22',
            '-c:a', 'aac', '-b:a', '128k',
            '-movflags', '+faststart',
            optimized_path
        ]
        
        subprocess.run(cmd, check=True)
        
        with open(optimized_path, 'rb') as f:
            await context.bot.send_video(
                chat_id=update.effective_chat.id,
                video=f,
                caption="✅ Optimized for Telegram"
            )
        
        os.remove(original_path)
        os.remove(optimized_path)

# Setup handlers
app = Application.builder().token("YOUR_BOT_TOKEN").build()
app.add_handler(MessageHandler(filters.PHOTO | filters.VIDEO, optimize_and_send_media))
app.run_polling()